F - Mech Eng,Light,Heat,Weapons – 23 – D
Patent
F - Mech Eng,Light,Heat,Weapons
23
D
F23D 14/48 (2006.01) F23D 14/58 (2006.01) F23D 17/00 (2006.01) F23D 23/00 (2006.01)
Patent
CA 2633903
A double valve set includes a housing, a first nozzle and a second nozzle. The housing includes an outlet tube formed thereon. The first nozzle is disposed in the outlet tube. When used alone, the first nozzle is adapted to transfer the natural gas. The second nozzle is detachably connected to the outlet tube. The second nozzle can be used to transfer the tanked gas without having to remove the first nozzle from the outlet tube.
Battison Williams Dupuis
Chung Kiosky
LandOfFree
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